Final diagnosis is left acute pyelonephritis complicated with renal and perinephric abscesses. Patient was treated vigorously with intravenous antibiotic (according to the pus culture sensitivity) and ultrasound-guided pigtail drainage of the perinephric abscess.

Patient was newly diagnosed to have diabetes mellitus type 1 with poorly controlled blood sugar. This has predisposed this patient to develop abscess and infection.